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1 // RUN: %clang_cc1 -fsyntax-only -fobjc-arc -fobjc-runtime-has-weak -Wdirect-ivar-access -verify -Wno-objc-root-class %s
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2 // rdar://6505197
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3
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4 __attribute__((objc_root_class)) @interface MyObject {
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5 @public
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6 id _myMaster;
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7 id _isTickledPink; // expected-error {{existing instance variable '_isTickledPink' for property 'isTickledPink'}}
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8 int _myIntProp;
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9 }
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10 @property(retain) id myMaster;
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11 @property(assign) id isTickledPink; // expected-note {{property declared here}}
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12 @property int myIntProp;
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13 @end
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14
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15 @implementation MyObject
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16
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17 @synthesize myMaster = _myMaster;
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18 @synthesize isTickledPink = _isTickledPink; // expected-note {{property synthesized here}}
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19 @synthesize myIntProp = _myIntProp;
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20
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21 - (void) doSomething {
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22 _myMaster = _isTickledPink; // expected-warning {{instance variable '_myMaster' is being directly accessed}} \
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23 // expected-warning {{instance variable '_isTickledPink' is being directly accessed}}
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24 }
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25
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26 - (id) init {
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27 _myMaster=0;
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28 return _myMaster;
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29 }
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30 - (void) dealloc { _myMaster = 0; }
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31 @end
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32
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33 MyObject * foo ()
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34 {
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35 MyObject* p=0;
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36 p.isTickledPink = p.myMaster; // ok
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37 p->_isTickledPink = (*p)._myMaster; // expected-warning {{instance variable '_isTickledPink' is being directly accessed}} \
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38 // expected-warning {{instance variable '_myMaster' is being directly accessed}}
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39 if (p->_myIntProp) // expected-warning {{instance variable '_myIntProp' is being directly accessed}}
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40 p->_myIntProp = 0; // expected-warning {{instance variable '_myIntProp' is being directly accessed}}
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41 return p->_isTickledPink; // expected-warning {{instance variable '_isTickledPink' is being directly accessed}}
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42 }
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43
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44 @interface ITest32 {
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45 @public
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46 id ivar;
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47 }
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48 @end
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49
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50 id Test32(__weak ITest32 *x) {
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51 __weak ITest32 *y;
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52 x->ivar = 0; // expected-error {{dereferencing a __weak pointer is not allowed}}
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53 return y ? y->ivar // expected-error {{dereferencing a __weak pointer is not allowed}}
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54 : (*x).ivar; // expected-error {{dereferencing a __weak pointer is not allowed}}
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55 }
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56
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57 // rdar://13142820
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58 @protocol PROTOCOL
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59 @property (copy, nonatomic) id property_in_protocol;
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60 @end
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61
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62 __attribute__((objc_root_class)) @interface INTF <PROTOCOL>
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63 @property (copy, nonatomic) id foo;
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64 - (id) foo;
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65 @end
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66
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67 @interface INTF()
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68 @property (copy, nonatomic) id foo1;
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69 - (id) foo1;
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70 @end
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71
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72 @implementation INTF
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73 - (id) foo { return _foo; }
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74 - (id) property_in_protocol { return _property_in_protocol; } // expected-warning {{instance variable '_property_in_protocol' is being directly accessed}}
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75 - (id) foo1 { return _foo1; }
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76 @synthesize property_in_protocol = _property_in_protocol;
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77 @end
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78
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